$51.99 USD
MSRP $80.59 35.5% Off
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K&N 33-3025 Air Filter

Replacement Filters > Replacement Air Filter
Rating Star 1 Rating Star 2 Rating Star 3 Rating Star 4 Rating Star 5   4.7 out of 5 stars   7 Customer Reviews
  • Designed to boost horsepower and rate of acceleration
  • Can be cleaned and used again
  • High air flow with exceptional filtration
  • Lasts up to 50,000 miles before cleaning is required depending on driving conditions
  • Works with original equipment manufacturer vehicle electronics
  • Emissions legal in all 50 US states
  • Will NOT void vehicle warranty
  • Million Mile Limited Warranty®
K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for the majority of vehicles on the road. These filters are washable and reusable and are custom designed to fit into your existing factory air box. Their drop-in design means adding performance is simple. With most vehicles you simply remove the disposable air filter and replace it with a K&N. See applicable instruction sheet for details. Our stock replacement air filters for street vehicles are covered by our famous K&N Million-Mile Limited Warranty and will be the last air filter your vehicle will ever need.

[More Information on K&N Replacement Air Filters]

Product Specifications

Air Filter ShapeUnique
Filter MaterialCotton Gauze
Filter Re-Oiling Amount1.39 oz (41 ml)
Height0.938 in (24 mm)
Outside Length11.375 in (289 mm)
Outside Width8.156 in (207 mm)
Package Contents1 Air Filter
Package Quantity1
Product Box Height11.56 in (294 mm)
Product Box Length10.44 in (265 mm)
Product Box Width1.75 in (44 mm)
Product StylePanel Air Filter
Weight1.1 lb (0.5 kg)

K&N 33-3025 Air Filter Product Reviews

Wednesday, October 5, 2016 - Part 33-3025
Excellent product. Replaced the standard air filter in my Mini Cooper SD and immediately noticed a marked improvement in terms of 'breathing'. I have been fitting K&N filters to all my cars since the late 1980s and highly recommend these filters to anyone.

Prof Eddie Fisher
Swindon, United Kingdom
Thursday, July 21, 2016 - Part 33-3025
The K&N replacement air filter arrived on time and certainly has helped the accelerator response. It has also slightly improved the sound of the engine.

Derek McFarland
Stewartstown Co. Tyrone, United Kingdom
Saturday, July 16, 2016 - Part 33-3025
Love the product! The car drives better with better response accross the Rev range and improved mpg. The only disappointment is that it's no louder than stock and maybe a little less turbo noise. Had a panel filter on my mini gp2 and that sounded much better then stock. I but if your not bothered about noise, then I really recommend this filter for your mini. :)

Joseph Syddall
Great Gonerby, Grantham, United Kingdom
Monday, April 18, 2016 - Part 33-3025
No problems, as expected.

Denver, Colorado
Wednesday, April 6, 2016 - Part 33-3025
Fit and installed easily.

Denver, Colorado
Wednesday, July 22, 2015 - Part 33-3025
The order process was perfect, the price was reasonable, installation was a snap, the performance gain was noticible. I am thoroughly satisfied.

Stanley C Anderson
Houston, Texas
Thursday, February 26, 2015 - Part 33-3025
I have had 2 K&N products before, but never bought directly on website. Usually it was from retailers here in Brazil. I have bought an air filter for my Mini Cooper in the website because its a new item, and in less than a week it got at home! (Im from Brazil, so im used to long delays). The price is fair, the quality is amazing, and the shipping is blazing fast!!! Awesome!! A+, 5 stars!

Victor Hugo Lopes
Sao Paulo, Brazil